1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/nsprpub/pr/src/memory/prshm.c Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,124 @@
1.4 +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
1.5 +/* This Source Code Form is subject to the terms of the Mozilla Public
1.6 + * License, v. 2.0. If a copy of the MPL was not distributed with this
1.7 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
1.8 +
1.9 +/*
1.10 +** prshm.c -- NSPR Named Shared Memory
1.11 +**
1.12 +** lth. Jul-1999.
1.13 +*/
1.14 +#include <string.h>
1.15 +#include "primpl.h"
1.16 +
1.17 +extern PRLogModuleInfo *_pr_shm_lm;
1.18 +
1.19 +
1.20 +#if defined PR_HAVE_SYSV_NAMED_SHARED_MEMORY
1.21 +/* SysV implementation is in pr/src/md/unix/uxshm.c */
1.22 +#elif defined PR_HAVE_POSIX_NAMED_SHARED_MEMORY
1.23 +/* Posix implementation is in pr/src/md/unix/uxshm.c */
1.24 +#elif defined PR_HAVE_WIN32_NAMED_SHARED_MEMORY
1.25 +/* Win32 implementation is in pr/src/md/windows/w32shm.c */
1.26 +#else
1.27 +/*
1.28 +** there is no named_shared_memory
1.29 +*/
1.30 +extern PRSharedMemory* _MD_OpenSharedMemory( const char *name, PRSize size, PRIntn flags, PRIntn mode )
1.31 +{
1.32 + PR_SetError(PR_NOT_IMPLEMENTED_ERROR, 0);
1.33 + return NULL;
1.34 +}
1.35 +
1.36 +extern void * _MD_AttachSharedMemory( PRSharedMemory *shm, PRIntn flags )
1.37 +{
1.38 + PR_SetError(PR_NOT_IMPLEMENTED_ERROR, 0);
1.39 + return NULL;
1.40 +}
1.41 +
1.42 +extern PRStatus _MD_DetachSharedMemory( PRSharedMemory *shm, void *addr )
1.43 +{
1.44 + PR_SetError(PR_NOT_IMPLEMENTED_ERROR, 0);
1.45 + return PR_FAILURE;
1.46 +}
1.47 +
1.48 +extern PRStatus _MD_CloseSharedMemory( PRSharedMemory *shm )
1.49 +{
1.50 + PR_SetError(PR_NOT_IMPLEMENTED_ERROR, 0);
1.51 + return PR_FAILURE;
1.52 +}
1.53 +
1.54 +extern PRStatus _MD_DeleteSharedMemory( const char *name )
1.55 +{
1.56 + PR_SetError(PR_NOT_IMPLEMENTED_ERROR, 0);
1.57 + return PR_FAILURE;
1.58 +}
1.59 +#endif /* HAVE_SYSV_NAMED_SHARED_MEMORY */
1.60 +
1.61 +/*
1.62 +** FUNCTION: PR_OpenSharedMemory()
1.63 +**
1.64 +*/
1.65 +PR_IMPLEMENT( PRSharedMemory * )
1.66 + PR_OpenSharedMemory(
1.67 + const char *name,
1.68 + PRSize size,
1.69 + PRIntn flags,
1.70 + PRIntn mode
1.71 +)
1.72 +{
1.73 + if (!_pr_initialized) _PR_ImplicitInitialization();
1.74 + return( _PR_MD_OPEN_SHARED_MEMORY( name, size, flags, mode ));
1.75 +} /* end PR_OpenSharedMemory() */
1.76 +
1.77 +/*
1.78 +** FUNCTION: PR_AttachSharedMemory()
1.79 +**
1.80 +*/
1.81 +PR_IMPLEMENT( void * )
1.82 + PR_AttachSharedMemory(
1.83 + PRSharedMemory *shm,
1.84 + PRIntn flags
1.85 +)
1.86 +{
1.87 + return( _PR_MD_ATTACH_SHARED_MEMORY( shm, flags ));
1.88 +} /* end PR_AttachSharedMemory() */
1.89 +
1.90 +/*
1.91 +** FUNCTION: PR_DetachSharedMemory()
1.92 +**
1.93 +*/
1.94 +PR_IMPLEMENT( PRStatus )
1.95 + PR_DetachSharedMemory(
1.96 + PRSharedMemory *shm,
1.97 + void *addr
1.98 +)
1.99 +{
1.100 + return( _PR_MD_DETACH_SHARED_MEMORY( shm, addr ));
1.101 +} /* end PR_DetachSharedMemory() */
1.102 +
1.103 +/*
1.104 +** FUNCTION: PR_CloseSharedMemory()
1.105 +**
1.106 +*/
1.107 +PR_IMPLEMENT( PRStatus )
1.108 + PR_CloseSharedMemory(
1.109 + PRSharedMemory *shm
1.110 +)
1.111 +{
1.112 + return( _PR_MD_CLOSE_SHARED_MEMORY( shm ));
1.113 +} /* end PR_CloseSharedMemory() */
1.114 +
1.115 +/*
1.116 +** FUNCTION: PR_DeleteSharedMemory()
1.117 +**
1.118 +*/
1.119 +PR_EXTERN( PRStatus )
1.120 + PR_DeleteSharedMemory(
1.121 + const char *name
1.122 +)
1.123 +{
1.124 + if (!_pr_initialized) _PR_ImplicitInitialization();
1.125 + return(_PR_MD_DELETE_SHARED_MEMORY( name ));
1.126 +} /* end PR_DestroySharedMemory() */
1.127 +/* end prshm.c */
